linux-kernel - [PATCH 4/5] video:omap3isp:fix up ENOIOCTLCMD error handling

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Date:	Mon, 27 Aug 2012 15:23:15 +0800
From:	Wanlong Gao <gaowanlong@...fujitsu.com>
To:	linux-kernel@...r.kernel.org
Cc:	Wanlong Gao <gaowanlong@...fujitsu.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	linux-media@...r.kernel.org
Subject: [PATCH 4/5] video:omap3isp:fix up ENOIOCTLCMD error handling

At commit 07d106d0, Linus pointed out that ENOIOCTLCMD should be
translated as ENOTTY to user mode.

Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc: Mauro Carvalho Chehab <mchehab@...radead.org>
Cc: linux-media@...r.kernel.org
Signed-off-by: Wanlong Gao <gaowanlong@...fujitsu.com>
---
 drivers/media/video/omap3isp/ispvideo.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/media/video/omap3isp/ispvideo.c b/drivers/media/video/omap3isp/ispvideo.c
index b37379d..2dd982e 100644
--- a/drivers/media/video/omap3isp/ispvideo.c
+++ b/drivers/media/video/omap3isp/ispvideo.c
@@ -337,7 +337,7 @@ __isp_video_get_format(struct isp_video *video, struct v4l2_format *format)
 	fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
 	ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt);
 	if (ret == -ENOIOCTLCMD)
-		ret = -EINVAL;
+		ret = -ENOTTY;
 
 	mutex_unlock(&video->mutex);
 
@@ -723,7 +723,7 @@ isp_video_try_format(struct file *file, void *fh, struct v4l2_format *format)
 	fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
 	ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt);
 	if (ret)
-		return ret == -ENOIOCTLCMD ? -EINVAL : ret;
+		return ret == -ENOIOCTLCMD ? -ENOTTY : ret;
 
 	isp_video_mbus_to_pix(video, &fmt.format, &format->fmt.pix);
 	return 0;
@@ -744,7 +744,7 @@ isp_video_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cropcap)
 	ret = v4l2_subdev_call(subdev, video, cropcap, cropcap);
 	mutex_unlock(&video->mutex);
 
-	return ret == -ENOIOCTLCMD ? -EINVAL : ret;
+	return ret == -ENOIOCTLCMD ? -ENOTTY : ret;
 }
 
 static int
@@ -771,7 +771,7 @@ isp_video_get_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 	format.which = V4L2_SUBDEV_FORMAT_ACTIVE;
 	ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &format);
 	if (ret < 0)
-		return ret == -ENOIOCTLCMD ? -EINVAL : ret;
+		return ret == -ENOIOCTLCMD ? -ENOTTY : ret;
 
 	crop->c.left = 0;
 	crop->c.top = 0;
@@ -796,7 +796,7 @@ isp_video_set_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 	ret = v4l2_subdev_call(subdev, video, s_crop, crop);
 	mutex_unlock(&video->mutex);
 
-	return ret == -ENOIOCTLCMD ? -EINVAL : ret;
+	return ret == -ENOIOCTLCMD ? -ENOTTY : ret;
 }
 
 static int
-- 
1.7.12

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